Question

Given the following data set, let x be the explanatory variable and y be the response...

Given the following data set, let x be the explanatory variable and y be the response variable.

x 8 2 2 6 6 3 1
y 3 8 9 6 4 7 9

(a) If a least squares line was fitted to this data, what percentage of the variation in the y would be explained by the regression line? (Enter your answer as a percent.)
ANSWER: %

(b) Compute the correlation coefficient: r=

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